Save your place

Sign in to WhoBought

Please try again later.

Joel Greenblatt's Syndax Pharmaceuticals, Inc. (SNDX) position

Not anymore: Joel Greenblatt fully exited SNDX in Q4 2025. The position peaked at an amount we cannot price in Q3 2025.
View full portfolio →
Value at exit
an amount we cannot price
Shares at exit
48K
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

SNDX price vs Greenblatt's position

Dates
$22$22.5$23← Earlier —1 purchase
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q4 2025 Exited −48K −100.0% 0 Feb 17, 2026
Q3 2025 New +48K 48K Nov 14, 2025
Data through Q4 2025 · filed Feb 17, 2026
2 grouped rows from 2 quarters

More Greenblatt positions

Common questions

Does Joel Greenblatt own SNDX?

Not currently. Joel Greenblatt fully exited SNDX in Q4 2025, and the complete history is above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy SNDX?

Joel Greenblatt first disclosed a SNDX position in Q3 2025; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Joel Greenblatt sell SNDX?

Yes. Joel Greenblatt reduced and then fully exited SNDX by Q4 2025; the reductions are in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of SNDX does Joel Greenblatt own?

None as of the latest filing: Joel Greenblatt has exited SNDX. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Joel Greenblatt pay for SNDX?

Joel Greenblatt began building the SNDX position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.